173137780

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{1847}}^1$

素因数の和:2008

約数の個数: 48

約数和(自身を含む): 375661440

約数和(自身を除く): 202523660

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 109, 172, 215, 218, 430, 436, 545, 860, 1090, 1847, 2180, 3694, 4687, 7388, 9235, 9374, 18470, 18748, 23435, 36940, 46870, 79421, 93740, 158842, 201323, 317684, 397105, 402646, 794210, 805292, 1006615, 1588420, 2013230, 4026460, 8656889, 17313778, 34627556, 43284445, 86568890, 173137780]

約数ペア:

[(1, 173137780), (2, 86568890), (4, 43284445), (5, 34627556), (10, 17313778), (20, 8656889), (43, 4026460), (86, 2013230), (109, 1588420), (172, 1006615), (215, 805292), (218, 794210), (430, 402646), (436, 397105), (545, 317684), (860, 201323), (1090, 158842), (1847, 93740), (2180, 79421), (3694, 46870), (4687, 36940), (7388, 23435), (9235, 18748), (9374, 18470)]